Lateral liner tieback assembly

Wells – Wells with lateral conduits

Patent

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Details

1662426, E21B 1702, E21B 4314

Patent

active

060794887

ABSTRACT:
The invention relates to a tieback hanger for connecting the liner of a lateral well bore to the parent well bore. The tieback hanger includes a spring which maintains a constant force on the tieback hanger to prevent it from protruding into the parent well bore.

REFERENCES:
patent: 4603743 (1986-08-01), Lindsey, Jr.
patent: 5439051 (1995-08-01), Kennedy et al.
patent: 5680901 (1997-10-01), Gardes
patent: 5787987 (1998-08-01), Forsyth et al.

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